Home / 161,703.14-223,140.62-90,070.39

Finding the Fourth Proportional to 161,703.14, 223,140.62 and 90,070.39

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Solution

The fourth proportional to 161,703.14, 223,140.62 and 90,070.39 is: 124,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.14 : 223,140.62 = 90,070.39 : x
  2. Step 2: Convert to fraction form
    161,703.14/223,140.62 = 90,070.39/x
  3. Step 3: Cross multiply
    161,703.14x = 223,140.62 × 90,070.39
  4. Step 4: Simplify right side
    161,703.14x = 20,098,361,102.19
  5. Step 5: Solve for x
    x = 20,098,361,102.19/161,703.14
  6. Step 6: Final answer
    x = 124,291.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.